![background image](http://html.mh-extra.com/html/samsung/sm-g975f/sm-g975f_service-manual_1191996081.webp)
Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-3. No Service
Check the clock TCX4000
Is the frequency 26MHz?
No service
Yes
No
Yes
No
END
No
Replace the U12003
Home screen
→
Phone
→
Keypad
→
*#1234#
→
Check
Phone version
→
CP :
G975FXXXX or unkown
Yes
No
CP : G975FXXXX
Check the connection of RF coaxial cable
No
Yes
No
Replace the TCX4000
Replace the UCP5000
Yes
No
Check the Voltage
C7060 : 0.8V, C7061 : 1.2V
C7062 : 1.8V, C7080 : 0.75V